I just saw this and thought in an emergency type situation this might be appreciated. Not only is it a small wood fueled campstove, but generates a small amount of electricity for charging small appliances like a cell phone, LED light, maybe a laptop?
http://biolitestove.com/campstove/camp-overview/how-it-works/#sub
http://biolitestove.com/campstove/camp-overview/how-it-works/#sub